Fixed a few bugs preventing basic functions

Worked on extraction, including creating DataReader
Added proper access to id, fragment, and export tables

src/inode_data/file.zig

@@ -2,8 +2,9 @@ const std = @import("std");
 const Reader = std.Io.Reader;
 
 pub const BlockSize = packed struct {
-    size: u31,
+    size: u24,
     uncompressed: bool,
+    _: u7,
 };
 
 pub const File = struct {
@@ -15,7 +16,7 @@ pub const File = struct {
 
     pub fn read(alloc: std.mem.Allocator, rdr: *Reader, block_size: u32) !File {
         var start: [16]u8 = undefined;
-        try rdr.readSliceEndian(u8, &start, .little);
+        try rdr.readSliceAll(u8, &start, .little);
         const frag_idx: u32 = std.mem.readInt(u32, start[4..8], .little);
         const size: u32 = std.mem.readInt(u32, start[12..16], .little);
         var num_blocks: u32 = size / block_size;
@@ -49,7 +50,7 @@ pub const ExtFile = struct {
 
     pub fn read(alloc: std.mem.Allocator, rdr: *Reader, block_size: u32) !ExtFile {
         var start: [40]u8 = undefined;
-        try rdr.readSliceEndian(u8, &start, .little);
+        try rdr.readSliceAll(u8, &start, .little);
         const frag_idx: u32 = std.mem.readInt(u32, start[28..32], .little);
         const size: u64 = std.mem.readInt(u64, start[8..16], .little);
         var num_blocks: u32 = @truncate(size / block_size);